cheeseng/scala-ide — comment on commit 86ae8bb98f8f3c6d0c6b26ce868de58e0b1978e7
File: org.scala-ide.sdt.core/src/scala/tools/eclipse/launching/ScalaTestLaunchShortcut.scala line 118
By dragos:

All type information should be retrieved using the `Symbol`. They hold the correct information, while the tree contains what the user wrote (meaning there is no type inference results, etc). So I would do:

val sym = defDef.symbol
sym.name
sym.info.paramTypes